Diagnosis Procedure

If DTC P2101 is displayed with DTC P2100 or P2119, first perform the confirmation procedure for DTC P2100 or P2119.

Is applicable DTC detected?

YES

Perform diagnosis of applicable.

• DTC P2100: Refer to Diagnosis Procedure .
• DTC P2119: Refer to DTC Description .

NO

GO TO 2.

1. Check the voltage between ECM harness connector terminals.

   ECM				Condition	Voltage
   +		-
   Connector	Terminal	Condition	Terminal
   F13	8	E10	152	Ignition switch OFF	Approx. 0 V
   				Ignition switch ON	Battery voltage

Is the inspection result normal?

YES

GO TO 5.

NO

GO TO 3.

1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Disconnect IPDM E/R harness connector.
4. Check the continuity between IPDM E/R harness connector and ECM harness connector.

   IPDM E/R		ECM		Continuity
   Connector	Terminal	Connector	Terminal
   F50	57	F13	2	Existed

5. Also check harness for short to ground and short to power.

Is the inspection result normal?

YES

GO TO 4.

NO

Repair open circuit, short to ground or short to power in harness or connectors.

1. Check the continuity between IPDM E/R harness connector and ECM harness connector.

   IPDM E/R		ECM		Continuity
   Connector	Terminal	Connector	Terminal
   F51	65	F13	8	Existed

2. Also check harness for short to ground and short to power.

Is the inspection result normal?

YES

Perform the trouble diagnosis for power supply circuit.

NO

Repair open circuit, short to ground or short to power in harness or connectors.

1. Turn ignition switch OFF.
2. Disconnect electric throttle control actuator harness connector.
3. Disconnect ECM harness connector.
4. Check the continuity between electric throttle control actuator harness connector and ECM harness connector.

   Electric throttle control actuator		ECM		Continuity
   Connector	Terminal	Connector	Terminal
   F57	1	F13	1	Not existed
   			3	Existed
   	2		1	Existed
   			3	Not existed

5. Also check harness for short to ground and short to power.

Is the inspection result normal?

YES

GO TO 6.

NO

Repair or replace malfunctioning part.

1. Remove the intake air duct. Refer to Removal and Installation .
2. Check if foreign matter is caught between the throttle valve and the housing.

   Courtesy of NISSAN NORTH AMERICA, INC.

Is the inspection result normal?

YES

GO TO 7.

NO

Remove the foreign matter and clean the electric throttle control actuator inside, refer to Removal and Installation , and then perform Throttle Valve Closed Position Learning. Refer to Description .

Check throttle control motor. Refer to Component Inspection .

Is the inspection result normal?

YES

INSPECTION END

NO

Replace electric throttle control actuator. Refer to Removal and Installation .